This site features online services such as ZIP Code Lookup, Change of Address, Express and Priority Mail Tracking/Confirmation, Post Office Locator, Rate calculators and more.

One stop resource for international shipping assistance. Online services such as package tracking, supply ordering, express delivery and more.

Use UPS's shipping services. UPS is the world's largest package distribution company. Find UPS rates, track packages, order shipping supplies and let UPS handle all your shipping needs.

United States Postal Service official list of abbreviations. States and possessions, street suffixes, secondary unit designators.

The online solution for shipping services and all your shipping needs. DHL Worldwide Express is the world's largest and most experienced international air express network.

Roadway Express is a leading less-than-truckload (LTL) motor carrier providing superior transportation service in the two-day and longer national and international markets.